2. When handling the business that needs to provide a copy of personal ID card, in order to prevent the copy from being stolen, the best way is to indicate on the copy: "Only used when handling xx business".
Don't leave personal information on unknown websites at will to prevent it from being used by criminals. Personal computers that often surf the Internet should be equipped with real firewalls. Don't install unknown software easily when using it. Be careful when you encounter the requirement of inputting personal information when browsing the web;
4. For waste materials containing personal information, they must be crushed in a shredder to prevent them from being used after being obtained by others;
5. Do not reply to unknown emails asking for personal information, and do not call strange numbers in emails;
6. Once personal information is found to be leaked, it is necessary to collect evidence at the first time, such as recording and photography, and then defend rights according to law. If the circumstances are serious, you must call the police and let the other party be punished by law.